Home / 188,597.45-260,263.05-102,556.47

Finding the Fourth Proportional to 188,597.45, 260,263.05 and 102,556.47

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Solution

The fourth proportional to 188,597.45, 260,263.05 and 102,556.47 is: 141,527.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,597.45 : 260,263.05 = 102,556.47 : x
  2. Step 2: Convert to fraction form
    188,597.45/260,263.05 = 102,556.47/x
  3. Step 3: Cross multiply
    188,597.45x = 260,263.05 × 102,556.47
  4. Step 4: Simplify right side
    188,597.45x = 26,691,659,679.43
  5. Step 5: Solve for x
    x = 26,691,659,679.43/188,597.45
  6. Step 6: Final answer
    x = 141,527.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.